Air sebanyak 500 g bersuhu 20°C jika diberi kalor 100 kkal, berapakah suhu air sekarang
Jawaban:
Penjelasan:
1000 kkal = 4186799,94 Joule
Q = m c Δt
4186799,94 = 0,5 x 4200 x (t2 - 20)
4186799,94 = 2100t2 - 42000
2100t2 = 4186799,94 + 42000
t2 = 2013,71°C
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